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Method and examples
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Interval notation and set builder notation |
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A =
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x `in` ,
x is
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- `3 <= x <= 7`
- `[2,8)`
- `(2,8)`
- `[-oo,oo)`
- `(-oo,1)`
- `(1,oo)`
- `1,2,3,4`
- `1,2,3,4,...`
- `1,2,3,4,...,10`
- `...,1,2,3,4,...`
- `5 < x < 15`, x `in` N
- `x <= 5`, x `in` N
- `x >= 40`, x `in` N
- `3 <= x <=7`, x is odd
- `3 <= x <=7`, x is even
- `x^2 <= 10`, x `in` N
- `x^2 <= 5x`, x `in` N
- `x^2-1 < 10`, x `in` Z
- `|x^3-2| <= 25`, x `in` Z
- `|x-1| < 2`, x `in` N
- `|x| <= 1`, x `in` Z
- `x^2-3x-4=0`
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Solution
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Solution provided by AtoZmath.com
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Interval notation and set builder notation
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 1.
`3 <= y <= 7`
2.
`[2,8)`
3.
`(2,8)`
4.
`[-oo,oo)`
5.
`(-oo,1)`
6.
`(1,oo)`
7.
`1,2,3,4`
8.
`1,2,3,4,...`
9.
`1,2,3,4,...,10`
10.
`...,1,2,3,4,...`
11.
`5 < x < 15`, x in N
12.
`x <= 5`, x in N
13.
`x >= 40`, x in N
14.
`3 <= z <=7`, x is odd
15.
`3 <= z <=7`, x is even
16.
`x^2 <= 10`, x in N
17.
`x^2 <= 5x`, x in N
18.
`x^2-1 < 10`, x in Z
19.
`|x^3-2| <= 25`, x in Z
20.
`|x-1| < 2`, x in N
21.
`|x| <= 1`, x in Z
22.
`x^2-3x-4=0`
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